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MICROCOMPUTER BOARD IC300 µPD784215AYGF-501-3BA
(MASTER CONTROLLER (CD MECHANISM CONTROL))
Pin No.
Pin Name
1, 2
OPEN
3
LEDLAT
4
DRVCS
5
RE
6
WE
7
DRVRST
8
OPEN
9
VDD
10
BDRST
11
BDPWR
12
DRVDAT
13
DRVCLK
14
LOD POS
15
LOD NEG
16
CLP POS
17
CLP NEG
18
OUT SW
19
IN SW
20
MIDOUT SW
21
MID SW
22
TEST
23
ENCODE0
24
ENCODE1
25
ENCODE2
26
INIT SW
27
ADJ
28
AMUTE
29
DATA
30
CLK
31
XLT
32
PANEL SW
*1 CD loading motor (M702) control
Mode
Loading
Terminal
LOD NEG (pin !∞)
"L"
LOD POS (pin !¢)
"H"
I/O
O
Not used (open)
O
Serial data latch pulse output to the LED driver IC (IC661)
O
Chip select signal output to the FL driver IC (IC601) "L" active
O
Output enable signal output to the static RAM (IC302) "L" active
O
Data write enable signal output to the static RAM (IC302) "L" active
O
Reset signal output to the FL driver IC (IC601) and LED driver IC (IC661) "L": reset
O
Not used (open)
—
Power supply terminal (+5V)
Reset signal output to the CXD2587Q (IC101) and BA5974FP (IC102) on the CD block
O
"L": reset
O
Power on/off control signal output terminal "L": power on Not used (open)
O
Serial data output to the FL driver IC (IC601) and LED driver IC (IC661)
O
Serial data transfer clock signal output to the FL driver IC (IC601) and LED driver IC (IC661)
CD loading motor (M702) control signal output to the motor driver IC (IC702)
O
"L" active *1
CD loading motor (M702) control signal output to the motor driver IC (IC702)
O
"L" active *1
CD elevator up/down motor (M701) control signal output to the motor driver IC (IC701)
O
"L" active *2
CD elevator up/down motor (M701) control signal output to the motor driver IC (IC701)
O
"L" active *2
Detection input from the tray open/close detect switch (S708) on the CD mechanism block
I
"L": when tray is open, "H": when tray is close
Detection input from the tray open/close detect switch (S704) on the CD mechanism block
I
"L": when tray is close, "H": when tray is open
Detection input from the mid out detect switch (S701) on the CD mechanism block
I
"L": when tray is going to open or close
Detection input from the mid in detect switch (S703) on the CD mechanism block
I
"L": when sub tray move between tray and stocker
I
Test input terminal (fixed at "L")
I
Detection input from the disc tray address detect rotary encoder (S707) on the CD mechanism
I
block
I
Detection input from the INIT detect switch (S705) on the CD mechanism block
I
"L": when elevator down to bottom, others: "H"
I
Setting terminal for the CD test mode Normally: fixed at "H" ("L": test mode)
O
Analog muting on/off control signal output terminal Not used (open)
O
Serial data output to the CXD2587Q (IC101) on the CD block
O
Serial data transfer clock signal output to the CXD2587Q (IC101) on the CD block
O
Serial data latch pulse output to the CXD2587Q (IC101) on the CD block
Detection input from the CD tray door open/close detect switch (S702)
I
"L": when CD lid is open, "H": when CD lid is close
Eject
Stop
Brake
"H"
"H"
"L"
"L"
"H"
"L"
Function
*2 CD elevator up/down motor (M701) control
Mode
Terminal
CLP NEG (pin !¶)
CLP POS (pin !§)
– 113 –
Elevator
Elevator
Stop
Up
Down
"L"
"H"
"H"
"H"
"L"
"H"
Brake
"L"
"L"
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